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Phone HP Pre 3 (CDMA) Samsung SGH-X640 Motorola RIZR Z3 Apple iPhone 11 Pro Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none) Verizon
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size 3.6" diag.
5 : 3
? ? 5.8" diag.
19.5 : 9
6.2" diag.
20 : 9
Display Resolution & Type 480 x 800 pixels
(~261 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1125 x 2436 pixels
(~463 ppi)
AMOLED
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? ? ? 60 Hz 120 Hz
Battery 1,230 mAh 800 mAh 780 mAh 3,190 mAh 4,000 mAh
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 ? ? Apple A13 Bionic 2.8 GHz Qualcomm Snapdragon 888
RAM ? ? ? 4 GB 8 GB
Storage 16 GB * ? raw hardware ? raw hardware 64 GB * 128 GB *
Main Camera 5 megapixel Yes 2 megapixel 12 megapixel 12 megapixel
Wide Camera - - - 12 megapixel 12 megapixel
Tele Camera - - - 12 megapixel 64 megapixel
Video Capture 720p HD - QCIF (176 x 144) 4K UHD 8K
Front Camera Yes - - 12 megapixel 10 megapixel
Weight 5.5 oz
(156g)
3 oz
(85g)
3.92 oz
(111g)
6.63 oz
(188g)
6.03 oz
(171g)
Dimensions 4.37" x 2.52" x 0.63"
(111 x 64 x 16 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.15" x 1.79" x 0.65"
(105 x 45 x 16.5 mm)
5.67" x 2.81" x 0.32"
(144 x 71 x 8.1 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Slide Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) iOS Android
Network Bands

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA GPRS EDGE LTE (Cat 18) NR (5G)
Features 
Barometer - - - Yes Yes
Fingerprint Reader - - - - Yes
in-display (ultrasonic)
Flashlight - - - Yes Yes
GPS / Location Yes - - n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes - - Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes n/a n/a
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot Yes - - n/a n/a
NFC - - - Yes Yes
USB Yes
Micro-USB
- Yes
Mini-USB
Yes Yes
USB Type C
UWB - - - Yes -
Wi-Fi Yes
4 (802.11 a,b,g,n)
- - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes - Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes - Yes n/a n/a
Data & Network
Data Tethering Yes - Yes n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry - Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client Yes - Yes * n/a n/a
EMS / Picture Messaging - Yes Yes n/a n/a
Instant Messaging Yes - Yes n/a n/a
MMS Yes Yes Yes n/a n/a
Text Messaging Templates - Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player Yes - Yes n/a n/a
Stereo Speakers - - - Yes Yes
Photo & Video
TV Output - - - Yes Yes
Power
Fast Charging - - - Yes Yes
Wireless Charging - - - Yes Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List Yes Yes - n/a n/a
Voice Memo - Yes Yes n/a n/a
Software
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes Yes n/a n/a
Voice
HD Voice - - - Yes Yes
Headset Jack (2.5 mm) - Yes - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  HP Pre 3 (CDMA) Samsung SGH-X640 Motorola RIZR Z3 Apple iPhone 11 Pro Samsung Galaxy S21
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HP Pre 3 (CDMA) Samsung SGH-X640 Motorola RIZR Z3 Apple iPhone 11 Pro Samsung Galaxy S21

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